Machine Design The objective of idler pulley in belt drive is to Increase the wrap angle and belt tension Decrease the tendency of belt to slip All the above objectives Increase the power transmission capacity Increase the wrap angle and belt tension Decrease the tendency of belt to slip All the above objectives Increase the power transmission capacity ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following coupling is used to connect two shafts which have both lateral and angular misalignment? All of these Oldham coupling Universal coupling Bushed pin type coupling All of these Oldham coupling Universal coupling Bushed pin type coupling ANSWER DOWNLOAD EXAMIANS APP
Machine Design In nitrated parts, the origins of the fatigue cracks will occur at None of these Just below the surface Surface Within the core None of these Just below the surface Surface Within the core ANSWER DOWNLOAD EXAMIANS APP
Machine Design A triple riveted butt joint with double straps of unequal width is to be designed for a boiler shell. The pitch of the rivets in the outer row is double the pitch in the inner row and zigzag riveting is proposed. Which of the following statement is correct? There are four rivets per pitch length, all in double shear There are five rivets per pitch length, out of which four are in double shear and one is in single shear There are four rivets per pitch length, out of which two are in single shear and two are in double shear There are five rivets per pitch length, all in double shear There are four rivets per pitch length, all in double shear There are five rivets per pitch length, out of which four are in double shear and one is in single shear There are four rivets per pitch length, out of which two are in single shear and two are in double shear There are five rivets per pitch length, all in double shear ANSWER DOWNLOAD EXAMIANS APP
Machine Design The dedendum circle diameter is equal to (where φ = Pressure angle) Clearance circle diameter × cosφ Pitch circle diameter × cosφ Pitch circle diameter × sinφ Addendum circle diameter × cosφ Clearance circle diameter × cosφ Pitch circle diameter × cosφ Pitch circle diameter × sinφ Addendum circle diameter × cosφ ANSWER DOWNLOAD EXAMIANS APP
Machine Design If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (according to Barth) will be equal to (Where, Pc is centrifugal tension) [(√P1 + √P2)/2]² [⅟₂ × (P1 + P2)] + Pc P1 + P2 ⅟₂× (P1 + P2) [(√P1 + √P2)/2]² [⅟₂ × (P1 + P2)] + Pc P1 + P2 ⅟₂× (P1 + P2) ANSWER DOWNLOAD EXAMIANS APP
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